hardness, heat sink, corrosion resistance, high temperature exposure resistanceBelt apertureWith ABS cover, waterproof and dust proof.This product has Reverse Connection ProtectionSupport most mobile phones, tablet charging, and vehicle electrical appliances. Most vehicles with working voltage of 12V-24V can be installed and used.Voltage:12VModel Name:YC20Item Weight:50gItem Type:Cables, Adapters and SocketsApplication:for New Corolla LevinFeature1:VoltmeterFeature2:Charging socketcolour:Black green lightMaterial:plasticsize:23*33mmPackage Contents:1 * Car Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.